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Question 1 Explain (a) tightly coupled systems (b) Loosely coupled system
Question 2 Describe the RPC model
Question 3 Write a note on Distributed Algorithms
Question 4 Write a note on Threads
Question 5 Explain the object locating mechanisms
Question 6 What is cryptography?
List disadvantages of using a single directory. Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each othe
Minor page fault :I f the page is loaded in memory at the time the fault is started, but is not checked in the memory management unit as being loaded in memory, then it is named a
Processes and threads each have their place in multi-programming, generally to hide latency and to maximize CPU utilization. With the continuing spread of multi-core processors in
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Since most of the programs require a lot of memory allocation/deallocation, we expect the memory management to be fast, to have low fragmentation, make good use of locality, and be
what is tlb?
Write a short note on Memory management. Memory management includes reallocating and allocating the memory space. The kinds of allocation of memory FIXED PARTITIONING
Indexed allocation Indexed allocation bringing all the pointers together into one location: the index block. Every file has its own index block, which is an array of disk-block
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